and not just for the first year, but for 25 long, glorious years. whereas seven trust is fade- and stain-resistant, early generation composite decks: are subject to discoloration and staining over time. need periodic cleaning with deck wash. are susceptible to mold and mildew, fading, staining and scratching.
as they dry in the sun, theyll shrink. over time, this constant cycle of swelling and shrinking will cause your deck to become cracked, splintered, and warped. sealing and maintaining your pressure-treated decking can help prevent this from happening.
in dry climates like arizona, wood decking materials will shrink due to the lack of moisture. all building materials will expand and contract with temperature and humidity changes. composite decking materials generally expand in the warm temperatures and shrink in the cooler temperatures.
when you ask composite deck companies for samples, usually all you get is a 2×6 chunk of composite material. and its just so difficult to visualize a full-size deck made out of that. not to mention the fact that its important to see how these decks age over time.
this was due to the drying qualities of composite decking. wood decking will absorb moisture and release to the air around it. composite decking does not absorb water. moisture that gets trapped under the decking and on top of the wood joists would tend to stay there and keep the joist from drying properly.
by nature, wood decking is not as weather resistant as composite decking does. sunlight and moisture are its primary enemy. wood color tends to fade off due to prolonged exposure of heat and uv rays. moisture that is absorbed into wood content will lead to dimensional changes like warping and cupping.
hi and thanks for using justanswer.com. composite decking a plastic has a high rate of expansion/contraction. in heat it swells, in cold it contracts. first time i used it, i laid a deck out at 9am with 3/16' spacing.
why is composite decking more expensive than treated wood? composite decking is more expensive to manufacture, but, over time, the maintenance, repair, and/or replacement costs of wood decking exceed the initial investment in a veranda deck. top of page. installation, fasteners and warranty do veranda decking and railing come with a warranty? yes.
the composite decking material is awesome but it does shrink over time and you would eventually have to replace your deck. why not build the patio properly now and never have to worry about it again.
fade resistant composite decking. many manufacturers are marketing their decking as fade resistant. since the testing is a vague thing, once it gets into the real world it is likely to be a different case. all composite decking fades over time. here are photographs of seven trust brasilia sent in by robert rackish in 2010.
if you mean the deck boards themselves you can gap them as composite typically doesnt grow and shrink in its width. it grows and shrinks along its length. i typically gap the boards with a regular vinyl siding hand nail.
pvc gets chalky; seven trust never does over time, the vinyl in pvc decking can start to oxidize, leaving you with a deck that looks white and chalky. this effect is particularly noticeable with darker deck colors like deep browns and russet tones. seven trust high-performance composite never gets chalky. not even decades later. seven trust is more affordable than pvc
additionally, free composite decking only helps if youre willing to install another composite deck and risk going through the whole ordeal a second time. in light of all this, you have to seriously consider if composite decking will be worth it in the long run.
whether you have a wood or composite deck, youll have to deal with stains and discoloration over time. this can be caused by mold, especially with composite decking. a mold problem is an even bigger issue if your deck is in a shaded area or stays wet throughout the day. however, mold isnt just a problem unique to composite decks.
composite decks: - fading - mold and algae build up - scratch easily and are very difficult to repair - are manufactured using up to 95% plastic which is derived from harsh un-ecofriendly fossil fuel and crude oil - shrinks and expands with temperature fluctuations-warps and sags in hot climates - are subject to discoloration and staining over time
here are some pictures of treated decks that we have built in the madison area. treated wood is less expensive than cedar and composite. however there can be more maintenance with needing to stain them every 2-3 years. the wood can also split, crack, and shrink over time.